CVE-2025-47979 Microsoft Failover Cluster Information Disclosure Vulnerability

Medium 5.5 Published Updated

An authorized local attacker can read sensitive information from Windows Failover Cluster log files, potentially exposing confidential data.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-47979?

CVE-2025-47979 is a medium-severity vulnerability in Microsoft Windows Server 2022 23h2, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.

Weakness: CWE-532

Which versions are affected by CVE-2025-47979?

It affects 2 products.

Products include Microsoft Windows Server 2022 23h2, Microsoft Windows Server 2025.

How do I fix CVE-2025-47979?

No fix has been published for CVE-2025-47979 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-47979 being exploited?

There is no known exploitation of CVE-2025-47979 in the wild and no public exploit code.

All Microsoft Windows Server 2022 23h2 vulnerabilities

Sources

Also known as GHSA-587g-jwv5-52j3.

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